Cheap flights from Houston to Seattle

William P. Hobby
HOU
Seattle-Tacoma
SEA

Flight deals from Houston to Seattle

Below you can see the best deals on flights Houston — Seattle for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 31 August, from $66.

Top 10 cheap flights from Houston to Seattle

F9
F9
$ 69

Houston — Seattle

11:35—09:19
1 Sep 2026
23 h 44 m
1 stop
F9
F9
$ 69

Houston — Seattle

06:30—09:19
1 Sep 2026
28 h 49 m
1 stop
F9
F9
$ 103

Houston — Seattle

14:57—09:42
14 Sep 2026
20 h 45 m
1 stop
F9
F9
$ 103

Houston — Seattle

05:05—09:42
14 Sep 2026
30 h 37 m
1 stop
F9
F9
$ 108

Houston — Seattle

05:05—18:28
14 Sep 2026
15 h 23 m
1 stop
F9
F9
$ 112

Houston — Seattle

06:25—15:08
9 Sep 2026
10 h 43 m
1 stop
F9
F9
$ 117

Houston — Seattle

06:30—15:08
8 Sep 2026
34 h 38 m
1 stop
F9
F9
$ 133

Houston — Seattle

16:20—18:36
11 Sep 2026
28 h 16 m
1 stop
F9
F9
$ 137

Houston — Seattle

22:38—15:08
10 Sep 2026
18 h 30 m
1 stop
F9
F9
$ 137

Houston — Seattle

16:20—20:40
10 Sep 2026
30 h 20 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Houston — Seattle flight

Looking for cheap flights from Houston to Seattle? Compare fares from different airlines, check the flight schedule and travel time — and book your Houston — Seattle ticket online at the best price.

The route has direct flights — around 125 flights per week, flights are operated by Alaska Airlines, Hawaiian Airlines, United Airlines, Qatar Airways and 1 more airline, a nonstop flight takes about 4 h 38 min, the distance between the cities is around 3,043 km.

Planning your trip? You may find our Seattle travel guide, how to get from the airport into town and Seattle weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $66Min. price
AugustCheapest
MayPeak season
YesDirect flights
3,043 kmDistance
4 h 38 minTravel time
5Airlines
125 / wkFlights

Flight schedule from Houston to Seattle

The table shows direct flights from Houston to Seattle on the selected date. The flight takes approximately 4 h 38 min. Regular flights are operated by Alaska Airlines, Hawaiian Airlines, United Airlines and Qatar Airways. Departures from George Bush Intercontinental Airport and William P. Hobby Airport airports, arrivals at Seattle-Tacoma International Airport and Paine Field.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 15 Aug 2026

Flight ticket prices by day: Houston — Seattle

Below is a calendar of the lowest flight ticket prices for Houston — Seattle by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $66 in August, and the most expensive are around $228 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Houston to Seattle by month. Tickets are usually cheapest in January (around $190) and priciest in June (about $284) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$190lowMay$248mediumSep$194low
Feb$194lowJun$284highOct$190low
Mar$226mediumJul$284highNov$226medium
Apr$226mediumAug$260highDec$275high

Some values are estimated based on seasonality.

When to fly

Weather in Seattle: it is warmest in August (up to 25 °C on average) and coolest in December (around 8 °C). The driest month is July.

Tickets are usually cheapest in August and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Seattle

Dry and wet days · Seattle

Wind speed and direction · Seattle

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How to get the best deal on a Houston — Seattle ticket

  • Book ahead: fares for Houston — Seattle are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Houston is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Seattle is usually August — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Houston — Seattle route are operated by 5 airlines; Alaska Airlines runs the most flights (around 34% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    14x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight IAH → SEA14x/week
      Duration
      4h 42m
      Days
      MTWTFSS
    33.6%Open →
  • Hawaiian AirlinesHA
    13x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight IAH → SEA13x/week
    31.2%
  • United AirlinesUA
    13x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IAH → SEA13x/week
      Duration
      4h 50m
      Days
      MTWTFSS
    31.2%Open →
  • Qatar AirwaysQR
    1x/week
    WebsiteFleet: 26640M pax/year
    • Direct flight IAH → SEA1x/week
    2.4%Open →
  • Southwest AirlinesWN
    1x/week
    WebsiteFleet: 817140M pax/year
    • Direct flight HOU → SEA1x/week
      Duration
      4h 43m
      Days
      MTWTFSS
    1.6%Open →

Cities and airports on the Houston — Seattle route

Flights Houston — Seattle depart from George Bush Intercontinental Airport and William P. Hobby Airport and arrive at Seattle-Tacoma International Airport and Paine Field. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Houston

HOU
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Seattle

SEA
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Houston — Seattle flight

How long is the flight from Houston to Seattle?

A nonstop Houston — Seattle flight takes about 4 h 38 min — the distance between the cities is around 3,043 km.

How far is it from Houston to Seattle?

The distance from Houston to Seattle is about 3,043 km, which a nonstop flight covers in around 4 h 38 min.

Are there direct flights from Houston to Seattle?

Yes, there are nonstop flights Houston — Seattle — around 125 flights per week.

Which airlines fly from Houston to Seattle?

Airlines operating Houston — Seattle include Alaska Airlines, Hawaiian Airlines, United Airlines, Qatar Airways, Southwest Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Houston — Seattle flights use?

Flights from Houston depart from George Bush Intercontinental Airport, William P. Hobby Airport, and arrive at Seattle-Tacoma International Airport, Paine Field. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Houston to Seattle?

The price of a Houston — Seattle ticket depends on your travel date, season and demand: it is usually cheapest to fly in August, and most expensive in May. Tickets typically cost between $66 and $228. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Houston — Seattle?

Flights Houston — Seattle are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is August. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Houston to Seattle?

To catch a low fare Houston — Seattle, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually August.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Houston

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New York CityDallasAtlantaLos AngelesWashington, D.C.ChicagoDenverOrlandoMexico CityMiamiLondonCancunFort LauderdaleOklahoma CityTulsaDetroitPhoenixMcAllenMonterreyCorpus ChristiWichitaMinneapolisBirminghamLittle RockCharlotteSan AntonioAustinPanama CityMidlandBostonTampaBaton RougeSan SalvadorEl PasoNew OrleansKnoxvilleLubbockSan FranciscoSalt Lake CityMemphis

Where else you can fly from Seattle

See all
Los AngelesAnchorageVancouverSan FranciscoPhoenixSan DiegoSan JoseSpokanePortlandSanta AnaNew York CityBoiseDenverChicagoDallasSalt Lake CitySacramentoLas VegasRedmondBostonAtlantaHonoluluWashington, D.C.MinneapolisPascoBurbankAustinFairbanksEugeneJuneauNashvilleCalgaryBozemanDetroitPalm SpringsMissoulaMedfordRenoOrlandoVictoria

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